400124241044 has 24 divisors (see below), whose sum is σ = 781638055968. Its totient is φ = 177645011040.

The previous prime is 400124241019. The next prime is 400124241109. The reversal of 400124241044 is 440142421004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105739187 + ... + 105742970.

It is an arithmetic number, because the mean of its divisors is an integer number (32568252332).

Almost surely, 2^400124241044 is an apocalyptic number.

400124241044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

400124241044 is a deficient number, since it is larger than the sum of its proper divisors (381513814924).

400124241044 is a wasteful number, since it uses less digits than its factorization.

400124241044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211482215 (or 211482213 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 400124241044 its reverse (440142421004), we get a palindrome (840266662048).

The spelling of 400124241044 in words is "four hundred billion, one hundred twenty-four million, two hundred forty-one thousand, forty-four".